Group

 

* Parity

Control group Number (%)

Case group Number (%)

Total

P0+0

15(60)

25(50)

40

P1+0

3(12)

10(20)

13

P2+0

4(16)

10(20)

14

P3 and above

3(12)

5(10)

8

Total

25(100)

50(100)

75

χ2= 1.130; df = 3; p = 0.769
Table 3: Distribution of case and control group according to parity.